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311424000 = 210353811
BaseRepresentation
bin10010100011111…
…111010000000000
3210200222222102020
4102203333100000
51114211032000
650522521440
710501026456
oct2243772000
9720888366
10311424000
1114a877508
1288366280
134c69a874
142d5089d6
151c518ba0
hex128ff400

311424000 has 176 divisors, whose sum is σ = 1037190336. Its totient is φ = 82944000.

The previous prime is 311423999. The next prime is 311424053. The reversal of 311424000 is 424113.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383595 + ... + 384405.

Almost surely, 2311424000 is an apocalyptic number.

311424000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311424000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518595168).

311424000 is an abundant number, since it is smaller than the sum of its proper divisors (725766336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311424000 is an equidigital number, since it uses as much as digits as its factorization.

311424000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 311424000 is about 17647.2094111222. The cubic root of 311424000 is about 677.8246516200.

Adding to 311424000 its reverse (424113), we get a palindrome (311848113).

The spelling of 311424000 in words is "three hundred eleven million, four hundred twenty-four thousand".